Washington, DC is home to a fascinating labyrinth of tunnels (foto Popular Science) The DC Underground Atlas Washington, DC’s federal architects have a special proclivity for underground tunnels. District residents navigate the tubes like human submarines, and rely on their services for basic needs like drinking water and central heat. Contributing factors include the city’s unique building height limit, extreme weather, and the security considerations of recent decades. As a result, Washington sits atop an interconnected layer cake of transportation, utility, and pedestrian tunnels extending three dimensionally beneath city streets. Given their importance to daily life in the nation’s capital, it’s surprising to find that the full picture of Washington’s various tunnels remains unpainted. This project aims to complete that picture. Tunnels in Washington run the gamut: from mundane to idiosyncratic, from heavily trafficked to the little known. Some tunnels are cavernous. WMATA’s standard issue 600 foot long Metro station could easily fit the Washington Monument laid down on its side, and anyone with a SmarTrip card is allowed to walk in. Others are claustrophobic, with searing temperatures and unbearable smells. Access to the General Service Administration’s steam tunnels, for example, is limited to a small gang of maintenance men … Meer lezen over Washington Tunnels – The DC Underground Atlas